Product Overview:
DCJL33-BGLRW10 acquisition unit I is a LoRa micro power wireless acquisition unit with independent R&D according to Enterprise Standard of State Grid Q/GDW-2013.With micro power wireless to be the communication medium, the acquisition unit uses LoRa modulation technology, and follows LoRa WAN wireless transmission protocol, to realize data acquisition and wireless transmission through RS 485 interface with terminals. Having the outstanding features of ultra-long distance transmission, strong anti-interference ability and convenient to use, the acquisition unit can be used along with LoRaWAN gateway to achieve data transmission, monitoring and intelligent management. Up to now, it is widely used in meter data acquisition field of electric power acquisition system.
Product Features:
● RS485 interface rate is configurable.
● Support D/L 645 1997 protocol and D/L 645 2007.
● Support data pass through, remote meter reading.
● Periodically collect the frozen data of the connected electric meter.
● Automatically manage file data of electric meter.
● Support upper and lower power detection, version change, meter reading failure time detection and storage of the latest 64 records
● Adopt wireless communication mode to conduct data interaction with the master station
● Following standard LoRa WAN communication protocol.
● Ultra-long distance transmission, high-speed network access
● Low-power design for energy conservation and environmental protection.
Performance Parameter:
Operating power : AC 220V±20%
Operating temperature: -40℃ ~ +70℃
Relative humidity: 10%-100%
Active power: ≤3W
Apparent power: ≤5W
Port communication mode: RS485 bus
Character format: start bit 1, data bit 8, stop bit 1, even parity bit 1
Port baud rate: default 2400, can be configured to 1200, 2400, 4800, 9600, 19200bps with infrared
Maximum data package length: 200 bytes
Modulation mode: LoRa modulation technology
Transmission protocol: following LoRa WAN wireless transmission protocol
Operating frequency band: CN470MHz/EU868MHz/AS923MHz
Transmission power: ≤17dBm
Receiving sensitivity: 146dBm @SF12, 125KHz BW
Channel amount: 48
